Finding the Fourth Proportional to 402,333.30, 555,223.71 and 221,048.99
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Solution
The fourth proportional to 402,333.30, 555,223.71 and 221,048.99 is: 305,049.67
Step by Step Solution
- Step 1: Write the proportion equation
402,333.30 : 555,223.71 = 221,048.99 : x - Step 2: Convert to fraction form
402,333.30/555,223.71 = 221,048.99/x - Step 3: Cross multiply
402,333.30x = 555,223.71 × 221,048.99 - Step 4: Simplify right side
402,333.30x = 122,731,640,319.55 - Step 5: Solve for x
x = 122,731,640,319.55/402,333.30 - Step 6: Final answer
x = 305,049.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.